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74ACT1284 Datasheet Ieee 1284 Transceiver

Manufacturer: Fairchild (now onsemi)

Overview: www.DataSheet4U.com 74ACT1284 IEEE 1284 Transceiver June 1996 Revised November 2000 74ACT1284 IEEE 1284.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The 74ACT1284 contains four non-inverting bidirectional buffers and three non-inverting buffers with open Drain outputs and high drive capability on the B Ports.

It is intended to provide a standard signaling method for a bi-direction parallel peripheral in an Extended Capabilities Port mode (ECP).

The HD (active HIGH) input pin enables the B Ports to switch from open Drain to a high drive totem pole output, capable of sourcing 14 mA on all seven buffers.

Key Features

  • s TTL-compatible inputs s A Ports have standard 4 mA totem pole outputs s Typical input hysteresis of 0.5V s B Port high drive source/sink capability of 14 mA s Bidirectional non-inverting buffers s Supports IEEE P1284 Level 1 and Level 2 signaling standards for bidirectional parallel communications between personal computers and printing peripherals s B Port outputs in High Impedance mode during power down s Guaranteed 4000V minimum ESD protection Ordering Code: Order Number 74ACT1284SC 74ACT1.

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